CN214160190U

CN214160190U - Pipeline painting device

Info

Publication number: CN214160190U
Application number: CN202022855452.1U
Authority: CN
Inventors: 钟凯; 魏川; 张继龙; 逯广林; 张同; 刘继伟; 张国鹏; 刘鹏
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-10
Anticipated expiration: 2030-12-03

Abstract

The utility model provides a pipeline painting device belongs to pipeline processing equipment technical field. The technical scheme is as follows: a pipeline painting device comprises a feeding device, a painting device and a pipeline placing device which are sequentially arranged along the horizontal direction; the feeding device comprises a support frame, two rows of rubber rollers and a driving roller, wherein the two rows of rubber rollers are rotatably arranged on the support frame along the horizontal direction, and the driving roller is rotatably arranged at the lower end of the support frame; the paint brushing device is provided with a splayed paint brushing plate, and the paint brushing plate coats the paint on the pipeline uniformly; the pipeline placing device comprises a placing support, wherein a middle supporting component capable of clamping a pipeline and an end supporting component provided with an inner wall supporting part are arranged on the placing support in a sliding mode, and the middle supporting component and the end supporting component can be matched with the pipeline to spin and paint and can slide along with the advancing of the pipeline. The utility model has the advantages that: the outer wall of the pipeline can be painted, the pipeline painting device is suitable for the pipelines with different calibers and lengths in a construction site, labor is saved, and painting efficiency and painting quality are improved.

Description

Pipeline painting device

Technical Field

The utility model relates to a pipeline processing equipment technical field especially relates to a pipeline painting device.

Background

The pipeline is widely applied to various fields such as building, chemical engineering, electric power and the like, and is used as a pipeline conveying system or a support system for a rack pipe. For metal pipelines, the metal pipelines are easy to corrode, for example, some pipelines are corroded due to long storage time, rain in the turnover process, moist storage environment and the like, and the corrosion is usually generated slowly, so that compared with after maintenance, prevention in advance is an important measure for ensuring the quality of the metal pipelines at present, and painting protection is an effective pipeline foundation treatment mode; in various pipeline constructions, paints with different colors are often required to be brushed according to engineering design requirements, and the conditions of high cost, low efficiency, non-uniform operation standards and the like exist when manual painting or brushing is inevitable. Therefore, the pipeline is mainly processed by machinery instead of manpower, so that the quality and the production efficiency are improved.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, the utility model aims to provide a pipeline painting device can carry out the mopping to the outer wall of pipeline, is applicable to the pipeline of the different bores of job site and length, saves the manual work, improves the treatment effeciency of pipeline surface and brushes the quality.

The utility model discloses a realize through following technical scheme: a pipeline painting device comprises a feeding device, a painting device and a pipeline placing device which are sequentially arranged along the horizontal direction; the pipeline is placed on the feeding device, and the feeding device can drive the pipeline to rotate and advance so as to send the pipeline to the painting device;

the painting device comprises a paint box, wherein one side of the paint box is provided with a pipe inlet channel, the other side of the paint box is provided with a pipe outlet channel concentric with the pipe inlet channel, and a plurality of painting components are arranged above the paint box; the paint brushing assembly comprises a paint pipe for spraying paint to the pipeline and two paint brushing plates which are arranged in a splayed manner and are adjustable in angle, and the paint brushing plates are tightly attached to the outer wall of the pipeline;

be equipped with the material that common mopping such as brush or sponge was used on the board of mopping, pass through as the pipeline advance the pipe passageway and get into the mopping device, the cooperation self priming pump will paint and pass through on the outer wall that the paint pipe sprayed to the pipeline, the rotatory in-process that gos forward of pipeline, the board of mopping paints evenly with the paint on the pipeline outer wall.

The pipeline placing device comprises a placing support, a middle supporting assembly and an end supporting assembly are arranged at the upper end of the placing support in a sliding mode, and the middle supporting assembly comprises a supporting barrel and a clamping part which is arranged on the supporting barrel and used for clamping the outer wall of a pipeline; the end support assembly comprises a bottom plate and a support part which is rotatably arranged on the bottom plate and is used for supporting the inner wall of the pipeline. Sliding the end supporting assembly to one end close to the pipe outlet channel, enabling the pipe to extend out of the pipe outlet channel after painting treatment, enabling the supporting part to support the inner wall of the pipe, enabling the supporting part to rotate along with the pipe at the same time, and enabling the end supporting assembly to slide on the placing support and move backwards along with the advance of the pipe; in the whole painting process, the pipeline continuously rotates, but the outer wall of the pipeline cannot be touched, so that the painted paint surface is protected; after the pipeline breaks away from feed arrangement, through the clamping part on the middle part supporting component is with the pipeline centre gripping, slides simultaneously middle part supporting component with tip supporting component can follow the pipeline is taken out in the paint box.

Further, the feeding device comprises a support frame, two rows of rubber rollers which are arranged along the horizontal direction are rotatably arranged on the support frame, a fixing frame is arranged at the lower end of the support frame, a driving roller is rotatably arranged on the fixing frame, and the driving roller is arranged between the two rows of rubber rollers along the horizontal direction and is lower than the rubber rollers in height; the driving motor is arranged on the fixing frame, the driving roller is driven to rotate through the belt pulley, rubber is arranged on the surface of the driving roller, a pipeline is placed on the rubber roller and is in contact with the driving roller, when the driving roller rotates, the driving roller rubs with the outer wall of the pipeline to enable the pipeline to rotate around the central axis, each rubber roller is placed at an angle of 45 degrees with the pipeline, so that the pipeline is enabled to translate through friction between the rubber rollers when rotating, and the pipeline is driven to rotate and simultaneously enters the paint brushing device;

in order to enable the feeding device to be adaptive to pipelines with different pipe diameters, a plurality of longitudinal supporting rods with strip holes are arranged on the supporting frame, the rubber rollers are rotatably arranged on the roller wheel bracket, and bolts penetrate through the strip holes and are matched with nuts to fix the bottom of the roller wheel bracket on the longitudinal supporting rods; the supporting frame is characterized in that a plurality of supporting legs are arranged below the supporting frame, strip holes are formed in the supporting legs, and bolts are used for penetrating through the strip holes and matching nuts to fix the two sides of the fixing frame on the supporting legs. The distance between the rubber rollers on the longitudinal supporting rod and the height of the driving roller are adjusted through the strip holes to adapt to pipelines without pipe diameters;

the structure of the feeding device is mainly to realize that the pipeline rotates to advance and is matched with the painting device to finish painting, and the feeding device is not limited to the structure, and the structure which can realize the rotation and advance of the pipeline in the prior art can be applied to the feeding device.

In order to enable the painting device to adapt to pipelines with different pipe diameters, the diameters of the feeding channel and the discharging channel are arranged to be larger, the pipeline passes through the pipe inlet channel and the pipe outlet channel in the middle and is convenient to be matched with the pipeline placement device for use, further, the pipe inlet channel comprises a reducing flange, the large end of the reducing flange is arranged on the paint box, and the small end of the reducing flange is provided with a feeding pipe; the inner diameter of the feeding pipe is slightly larger than the outer diameter of the pipeline, and the pipeline can pass through the pipe inlet channel and the pipe outlet channel in the middle by matching with the reducing flange, so that the pipeline can be smoothly matched with the end supporting assembly; in order to avoid the problem that the feeding pipe is not easy to align due to vibration when the pipeline rotates and advances, the inlet end of the feeding pipe is provided with a bell mouth.

The painting assembly further comprises a horizontal plate arranged above the painting box, two sides of the horizontal plate are connected with the painting box through vertical plates, the paint pipe penetrates through the horizontal plate, a sliding block is arranged on the paint pipe in a sliding mode, two ends of the sliding block are hinged to a straight connecting rod, the other end of the straight connecting rod is hinged to a bending connecting rod, a bending portion of the bending connecting rod is hinged to a connecting plate arranged at the lower end of the horizontal plate, and the other end of the second connecting rod is connected with the painting plate;

the paint pipe is provided with a limiting plate at the lower end of the sliding block, and a compression spring is arranged between the sliding block and the limiting plate. The sliding block moves upwards, the opening and closing angle of the paint brushing plate becomes small, and otherwise, the opening and closing angle becomes large; two the board of brushing paint is propped open by the pipeline, compression spring receives the extrusion back, makes the slider receives ascending elasticity, the angle of opening and shutting of the board of brushing paint has the trend of diminishing, and then hugs closely with the outer wall of pipeline, and when the pipeline was rotatory, it is even with the paintbrush on the pipeline outer wall.

Considering when compression spring releases completely, two the angle of opening and shutting of brushing lacquer board can be smaller, and the pipeline gets into during the paint box, need manual opening and shutting once brush lacquer board, it is not convenient enough, further, still including setting up on the paint pipe and in the U type card of slider upper end, cooperation nut will the U type card is fixed on the paint pipe. Two the angle of opening and shutting of brush lacquer board with the slider is in position on the paint pipe is relevant, and when the angle of opening and shutting diminishes, the slider shifts up, through U type card restriction the highest position of gliding direction on the slider can be adjusted the originated angle of brush lacquer board conveniently adapts to the pipeline of different pipe diameters and passes through smoothly.

Furthermore, two side edges of the paint brushing plate are provided with outward turned edges. In order to make the board of brushing paint can be with paint more even, should make the board of brushing paint has certain pressure to the pipeline outer wall, the originated angle of board of brushing paint can slightly be less than the angle of opening and shutting when hugging closely the pipeline outer wall, will lead to the pipeline to get into easily by during the paint box the side of board of brushing paint blocks, the flanging is ensured the pipeline and can be backed up smoothly the board of brushing paint and get into smoothly the paint box.

Furthermore, the vertical plate is provided with a strip hole, the side wall of the paint box is provided with a mounting hole, and the vertical plate and the paint box are fixed by a bolt penetrating through the mounting hole and the strip hole and matching with a nut. The fixed height of the horizontal plate can be adjusted through the strip holes, so that the horizontal plate can be better adapted to pipelines with different pipe diameters.

Considering that the pipeline is not self-rotated after being separated from the feeding device, and the painting surface of the last section is not uniformly brushed, further, the middle supporting component also comprises a rotary barrel rotatably arranged in the supporting barrel, and the clamping part is arranged on the rotary barrel. After the clamping part clamps and fixes the pipeline, the rotating barrel is rotated to drive the pipeline to rotate continuously, and the paint of the last section of pipeline is ensured to be uniformly brushed in cooperation with the translation of the pipeline.

Further, the clamping part comprises two screw rods symmetrically arranged on the rotary barrel through threads, the end parts of the screw rods are rotatably provided with arc-shaped plates, and bosses are arranged on the arc-shaped plates. The boss can reduce the area of contact with the pipeline, minimizes the influence to the lacquer painting.

The supporting part is a truncated cone, the small end of the truncated cone can be inserted into the pipeline, and the outer diameter of the large end of the truncated cone is larger than the inner diameter of the pipeline. The circular truncated cone can support the inner wall of the pipeline, when the pipeline rotates, the circular truncated cone also rotates along with the pipeline, the circular truncated cone can be replaced by a multi-pyramid frustum, and the effect of supporting the inner wall of the pipeline can be achieved.

Furthermore, a plurality of bulges are arranged on the outer surface of the cone frustum and are made of elastic materials. In the process of supporting the inner wall of the pipeline, the convex deformation can improve the contact area with the inner wall of the pipeline, so that the friction force and the supporting stability are improved.

Further, place and be equipped with the spout on the support and slide the setting and be in sliding bottom in the spout, middle part supporting component and the equal detachable setting of tip supporting component is in sliding bottom is last. After the pipeline is painted, separating the middle supporting assembly and the end supporting assembly from the sliding base, taking the middle supporting assembly and the end supporting assembly as a carrying device, and transferring the pipeline to a corresponding storage place to reduce damage to a pipeline paint layer during carrying; the middle support component and the end support component can be used circularly.

The utility model has the advantages that: the utility model can automatically feed and paint the outer wall of the pipeline, is suitable for pipelines with different calibers and lengths in construction sites, saves labor and improves the processing efficiency of the outer surface of the pipeline; the mechanical treatment process is uniform in standard, and the pipeline painting quality is improved; the painting device can be adaptive to the outer diameter of the pipeline, and can ensure that the painting surface of the outer wall of the pipeline is uniform and complete by matching with the pipeline placing frame; the whole device is in modular design, is easy to turnover, has a simple structure and low cost, and is suitable for large-batch construction sites.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a feeding device.

Fig. 3 is a schematic structural diagram of a painting device.

FIG. 4 is a schematic view of a painting assembly.

FIG. 5 is a schematic structural view of a slider connected to a painting board through a link in a painting assembly.

Fig. 6 is an enlarged schematic view of a portion a of fig. 4.

Fig. 7 is an enlarged schematic view of fig. 1 at B.

Wherein the reference numerals are: 100. a feeding device; 101. a support frame; 102. a drive roller; 103. a roller bracket; 104. a rubber roller; 105. a fixed mount; 106. a longitudinal support bar; 200. a painting device; 201. a paint box; 202. a pipe inlet channel; 203. an outlet pipe channel; 204. a painting assembly; 2041. a paint pipe; 2042. brushing a paint plate; 2043. a horizontal plate; 2044. a slider; 2045. a straight connecting rod; 2046. bending the connecting rod; 2047. a connecting plate; 2048. a limiting plate; 2049. a compression spring; 205. a U-shaped card; 300. a pipeline placement device; 301. placing a bracket; 302. a middle support assembly; 3021. a support tub; 3022. rotating the barrel; 3023. a screw; 3024. an arc-shaped plate; 303. an end support assembly; 3031. a base plate; 3032. support portion, 304, sliding base.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-7, a pipeline painting apparatus includes a feeding device 100, a painting device 200, and a pipeline placing device 300, which are sequentially arranged along a horizontal direction; the pipeline is placed on the feeding device 100, and the feeding device 100 can drive the pipeline to rotate and advance;

the painting device 200 comprises a paint box 201, one side of the paint box 201 is provided with a pipe inlet channel 202, the other side of the paint box 201 is provided with a pipe outlet channel 203 concentric with the pipe inlet channel 202, and a plurality of painting components 204 are arranged above the paint box 201; the painting component 204 comprises a paint pipe 2041 for spraying paint to the pipeline and two painting plates 2042 which are arranged in a splayed shape and have adjustable angles, and the painting plates 2042 are tightly attached to the outer wall of the pipeline;

be equipped with the material that common mopping such as brush or sponge was used on the board 2042 that brushes with lacquer, get into mopping device 200 through advancing tub passageway 202 when the pipeline, the cooperation self priming pump will paint on spraying to the outer wall of pipeline through paint pipe 2041, the rotatory in-process that gos forward of pipeline, the paint on the board 2042 that brushes with lacquer on the pipeline outer wall paints evenly.

The pipeline placing device 300 comprises a placing bracket 301, wherein the upper end of the placing bracket 301 is slidably provided with a middle supporting component 302 and an end supporting component 303, and the middle supporting component 302 comprises a supporting barrel 3021 and a clamping part which is arranged on the supporting barrel 3021 and is used for clamping the outer wall of a pipeline; end support assembly 303 includes a base plate 3031 and a support portion 3032 rotatably disposed on base plate 3031 for supporting the inner wall of the conduit. Sliding the end support assembly 303 to one end close to the outlet pipe channel 203, after the pipe is painted, extending out of the outlet pipe channel 203, firstly, the support portion 3032 will support the inner wall of the pipe, the support portion 3032 rotates with the pipe, and the end support assembly 303 moves after sliding on the placing support 301 along with the advance of the pipe; in the whole painting process, the pipeline continuously rotates, but the outer wall of the pipeline cannot be touched, so that the painted paint surface is protected; after the pipeline is separated from the feeding device 100, the pipeline can be taken out from the paint box 201 by clamping the pipeline through the clamping part on the middle supporting component 302 and simultaneously sliding the middle supporting component 302 and the end supporting component 303.

The feeding device 100 comprises a supporting frame 101, two rows of rubber rollers 104 which are arranged along the horizontal direction are rotatably arranged on the supporting frame 101, a fixing frame 105 is arranged at the lower end of the supporting frame 101, a driving roller 102 is rotatably arranged on the fixing frame 105, and the driving roller 102 is arranged between the two rows of rubber rollers 104 along the horizontal direction and is lower than the rubber rollers 104 in height; the fixing frame 105 is provided with a driving motor, the driving roller 102 is driven to rotate through a belt pulley, the surface of the driving roller 102 is made of rubber, a pipeline is placed on the rubber roller 104 and is in contact with the driving roller 102, when the driving roller 102 rotates, the pipeline rotates around the central axis by friction with the outer wall of the pipeline, each rubber roller 104 is placed at an angle of 45 degrees with the pipeline, the pipeline can translate through friction between the rubber roller 104 when rotating, and the pipeline is driven to rotate and enters the paint brushing device 200;

in order to enable the feeding device 100 to be suitable for pipelines with different pipe diameters, a plurality of longitudinal supporting rods 106 with strip holes are arranged on the supporting frame 101, the rubber rollers 104 are rotatably arranged on the roller bracket 103, and bolts penetrate through the strip holes and are matched with nuts to fix the bottom of the roller bracket 103 on the longitudinal supporting rods 106; the supporting frame is characterized in that a plurality of supporting legs are arranged below the supporting frame 101, strip holes are formed in the supporting legs, and bolts penetrate through the strip holes to be matched with nuts to fix the two sides of the fixing frame 105 on the supporting legs. The distance between the rubber rollers 104 on the longitudinal support rods 106 and the height of the driving roller 102 are adjusted through the elongated holes to adapt to pipelines without pipe diameters.

In order to adapt to pipelines with different pipe diameters, the diameters of the feeding channel and the discharging channel are arranged to be larger, the pipelines are required to pass through the pipe inlet channel 202 and the pipe outlet channel 203 in the middle and are convenient to be matched with the pipeline placing device 300 for use, the pipe inlet channel 202 comprises a reducing flange, the large end of the reducing flange is arranged on the paint tank 201, and the small end of the reducing flange is provided with a feeding pipe; the inner diameter of the feeding pipe is slightly larger than the outer diameter of the pipeline, and the pipeline can pass through the pipe inlet channel 202 and the pipe outlet channel 203 in the middle by matching with the reducing flange, so that the pipeline can be smoothly matched with the end part supporting assembly 303; in order to avoid the problem that the feeding pipe is not easy to align due to vibration when the pipeline rotates and advances, the inlet end of the feeding pipe is provided with a bell mouth. According to the on-site construction requirement, a plurality of groups of reducing flanges and feeding pipes with different pipe diameters are arranged in advance.

The painting component 204 further comprises a horizontal plate 2043 arranged above the paint box 201, two sides of the horizontal plate 2043 are connected with the paint box 201 through vertical plates, a paint pipe 2041 penetrates through the horizontal plate 2043, a sliding block 2044 is arranged on the paint pipe 2041 in a sliding manner, two ends of the sliding block 2044 are hinged to a straight connecting rod 2045, the other end of the straight connecting rod 2045 is hinged to a bent connecting rod 2046, a bent part of the bent connecting rod 2046 is hinged to a connecting plate 2047 arranged at the lower end of the horizontal plate 2043, and the other end of the second connecting rod is connected with the painting plate 2042;

a limiting plate 2048 is arranged on the paint pipe 2041 and at the lower end of the slider 2044, and a compression spring 2049 is arranged between the slider 2044 and the limiting plate 2048. The slide block 2044 moves upward, the opening and closing angle of the painting board 2042 becomes smaller, and conversely, the opening and closing angle becomes larger; two mopping boards 2042 are propped open by the pipeline, and compression spring 2049 is squeezed to make slider 2044 receive upward elasticity, and the angle of opening and closing of mopping board 2042 has the trend of diminishing, and then hugs closely with the outer wall of pipeline, and when the pipeline was rotatory, the paintbrush on the pipeline outer wall was even.

Considering that when the compression spring 2049 is completely released, the opening and closing angles of the two painting plates 2042 are relatively small, and when the pipeline enters the paint box 201, the painting plates 2042 need to be manually opened and closed once, which is not convenient enough, the paint box further comprises a U-shaped card 205 which is arranged on the paint pipe 2041 and is arranged at the upper end of the sliding block 2044, and the U-shaped card 205 is fixed on the paint pipe 2041 by matching with a nut. The opening and closing angle of the two paint brushing plates 2042 is related to the position of the sliding block 2044 on the paint pipe 2041, when the opening and closing angle is reduced, the sliding block 2044 moves upwards, the highest position of the sliding direction on the sliding block 2044 is limited by the U-shaped card 205, the starting angle of the paint brushing plates 2042 can be adjusted, and the pipeline adapting to different pipe diameters can pass through smoothly.

Two side edges of the painting board 2042 are provided with outward flanges. In order to make the painting board 2042 can be more even with paint brush, it has certain pressure to the pipeline outer wall to make the painting board 2042, and the initial angle of painting board 2042 slightly is less than the angle of opening and shutting when hugging closely the pipeline outer wall, will lead to the pipeline to get into the side of painting board 2042 when paint case 201 blockking easily, and the flanging ensures that the pipeline can push away the painting board 2042 smoothly and get into paint case 201 smoothly.

The vertical plate is provided with a strip hole, the side wall of the paint box 201 is provided with a mounting hole, and the vertical plate and the paint box 201 are fixed by a bolt penetrating through the mounting hole and the strip hole and matching with a nut. The fixed height of horizontal plate 2043 can be adjusted to the rectangular hole to better adapt to the pipelines with different pipe diameters.

Considering that the pipe is not spun any more after the pipe is separated from the feeding device 100 and the painting surface of the last section is unevenly brushed, the middle support assembly 302 further comprises a rotary barrel 3022 rotatably disposed in the support barrel 3021, and the clamping portion is disposed on the rotary barrel 3022. After the clamping part clamps and fixes the pipeline, the pipeline is driven to rotate continuously by rotating the rotating barrel 3022, and the paint of the last section of pipeline is ensured to be uniformly brushed and brushed in cooperation with the translation of the pipeline.

The clamping part comprises two screw rods 3023 symmetrically arranged on the rotary barrel 3022 through threads, the end parts of the screw rods 3023 are rotatably provided with arc-shaped plates 3024, and the arc-shaped plates 3024 are provided with bosses. The boss can reduce the area of contact with the pipeline, minimizes the influence to the lacquer painting.

The support portion 3032 is formed as a truncated cone, the small end of which can be inserted into the pipe, and the large end of which has an outer diameter larger than the inner diameter of the pipe. The circular truncated cone can support the inner wall of the pipeline, when the pipeline rotates, the circular truncated cone can also rotate along with the pipeline, the circular truncated cone can be replaced by a multi-pyramid frustum, and the effect of supporting the inner wall of the pipeline can be achieved.

The outer surface of the cone frustum is provided with a plurality of bulges which are made of elastic materials. In the process of supporting the inner wall of the pipeline, the contact area between the bulge and the inner wall of the pipeline can be increased due to the deformation of the bulge, and further, the friction force and the supporting stability are improved.

The placing bracket 301 is provided with a sliding groove and a sliding base 304 which is arranged in the sliding groove in a sliding manner, and the middle supporting component 302 and the end supporting component 303 are detachably arranged on the sliding base 304. After the pipeline is painted, the middle supporting component 302 and the end supporting component 303 are separated from the sliding base 304, the middle supporting component 302 and the end supporting component 303 are used as carrying devices, the pipeline is transferred to a corresponding storage position, and damage to a pipeline paint layer during carrying is reduced; the middle support assembly 302 and the end support assemblies 303 can be used in turn.

When the utility model is used, the positions of the driving roller 102 and the rubber roller 104 on the feeding device 100 are adjusted according to the pipe diameter of a pipeline to be processed, then the feeding pipes with corresponding pipe diameters are configured, and the position of the U-shaped clamp 205 is adjusted according to the pipe diameter to ensure the opening and closing angle of the painting board 2042; after the preparation is completed, the pipeline to be treated can be prevented from being on the feeding device 100, then the pipeline can rotate and enter the paint box 201 for painting treatment, the pipeline continuously rotates and extends out of the outlet pipe channel 203 of the paint box 201 and abuts against the supporting part 3032 on the pipeline placing device 300 until the pipeline is separated from the feeding device 100, at this time, the screw 3023 arranged on the rotating barrel 3022 is rotated, the pipeline is clamped by the arc-shaped plate 3024, the pipeline and the rotating barrel 3022 are relatively fixed, the rotating barrel 3022 is manually rotated to drive the pipeline to continuously rotate and simultaneously translate the pipeline, painting of the last section of the pipeline is completed, because the middle supporting component 302 and the end supporting component 303 can be separated from the sliding base 304, the middle supporting component 302 and the end supporting component 303 are used as a carrying device, the pipeline does not need to contact with the outer wall of the pipeline, and the pipeline is transferred to the pipeline storage place; through setting up multiunit middle part supporting component 302 and tip supporting component 303, be convenient for accelerate the turnover flow.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. A pipeline painting device is characterized by comprising a feeding device, a painting device and a pipeline placing device which are sequentially arranged along the horizontal direction;

the painting device comprises a paint box, wherein one side of the paint box is provided with a pipe inlet channel, the other side of the paint box is provided with a pipe outlet channel concentric with the pipe inlet channel, one side opposite to the pipe inlet channel is provided with a pipe outlet channel, and a painting assembly is arranged above the paint box; the paint brushing assembly comprises a paint pipe for spraying paint to the pipeline and two paint brushing plates which are arranged in a splayed manner and are adjustable in angle, and the paint brushing plates are tightly attached to the outer wall of the pipeline;

the pipeline placing device comprises a placing support, a middle supporting assembly and an end supporting assembly are arranged on the placing support in a sliding mode, and the middle supporting assembly comprises a supporting barrel and a clamping portion which is arranged on the supporting barrel and used for clamping the outer wall of a pipeline; the end support assembly comprises a bottom plate and a support part which is rotatably arranged on the bottom plate and is used for supporting the inner wall of the pipeline.

2. The pipeline painting device according to claim 1, wherein the feeding device comprises a support frame, two rows of rubber rollers are rotatably arranged on the support frame in the horizontal direction, a fixing frame is arranged at the lower end of the support frame, a driving roller is rotatably arranged on the fixing frame, and the driving roller is horizontally arranged between the two rows of rubber rollers and is lower than the rubber rollers;

the rubber roller is rotatably arranged on the roller support, and the bottom of the roller support is fixed on the longitudinal supporting rod by a bolt penetrating through the elongated hole and a nut matched with the elongated hole.

3. The pipeline painting device according to claim 1, wherein the pipe inlet channel comprises a reducing flange, the large end of the reducing flange is arranged on the paint tank, the small end of the reducing flange is provided with a feeding pipe, and the front end of the feeding pipe is arranged to be a bell mouth.

4. The pipeline painting device according to claim 1, wherein the painting assembly further comprises a horizontal plate disposed above the paint box, two sides of the horizontal plate are connected with the paint box through vertical plates, the paint pipe is disposed on the horizontal plate in a penetrating manner, a sliding block is slidably disposed on the paint pipe, two ends of the sliding block are hinged to straight connecting rods, the other ends of the straight connecting rods are hinged to bending connecting rods, bending portions of the bending connecting rods are hinged to a connecting plate disposed at the lower end of the horizontal plate, and the other ends of the second connecting rods are connected with the painting plate;

the paint pipe is provided with a limiting plate at the lower end of the sliding block, and a compression spring is arranged between the sliding block and the limiting plate.

5. The pipe painting apparatus according to claim 4, further comprising a U-shaped clip provided on the paint pipe at an upper end of the slider, the U-shaped clip being fixed by a nut.

6. The pipe painting apparatus of claim 5, wherein two side edges of the painting plate are provided with flanges.

7. The pipe painting apparatus of claim 1, wherein the middle support assembly further comprises a rotating drum rotatably disposed within the support drum, the grip being disposed on the rotating drum.

8. The pipe painting device according to claim 7, wherein the clamping portion comprises two screws symmetrically arranged on the rotary barrel through threads, an arc-shaped plate is rotatably arranged at the end of each screw, and a boss is arranged on each arc-shaped plate.

9. The pipe painting device according to claim 1, wherein the support part is a truncated cone, a small end of the truncated cone can be inserted into the pipe, and an outer diameter of a large end of the truncated cone is larger than an inner diameter of the pipe; the outer surface of the cone frustum is provided with a plurality of bulges, and the bulges are made of elastic materials.

10. The pipeline painting device according to claim 1, wherein the placement support is provided with a sliding groove and a sliding base which is slidably disposed in the sliding groove, and the middle support assembly and the end support assembly are detachably disposed on the sliding base.